用竹浆粕/离子液体复配体系纺制的再生纤维及其性能

doi:10.13475/j.fzxb.20181200106

Abstract

Abstract:

In order to explore the influencing factors of regenerated fiber properties by ionic liquid method, the bamboo cellulose pulp was dissolved in an ionic liquid mixture of 1-allyl-3-methylimidazolium chloride ([AMIM]Ac), 1-butyl-3-methylimidazolium chloride ([BMIM]Ac)and the organic solvent of dimethyl sulfoxide (DMSO). The regenerated fiber was produced by wet spinning. The regenerated fiber was analyzed using electron microscopy, thermogravimetric analysis, X-ray diffraction and was tested for mechanical properties. The results show that when the DMSO content increases and the ionic liquid content in the spinning dope decreases, the smoothness of the surface and thermal stability of the regenerated fiber would first increase and then decrease, and the mechanical properties would decrease. As the content of bamboo cellulose pulp is increased, the surface of the regenerated fiber filament become smoother, and the crystallinity, thermal stability, breaking strength and fiber diameter are increased. The regenerated fiber made from ionic liquid [AMIM]Ac has proven to offer improved performance.

Key words: ionic liquids, bamboo pulp, wet spinning, regenerated fiber

CLC Number:

TQ340.6

OUYANG Pengfei, ZHANG Yufang, JIA Chunzi, ZHANG Jiayu. Properties of regenerated fibers from bamboo pulp/ionic liquid combined system[J].Journal of Textile Research, 2020, 41(01): 21-25.

Figures/Tables 9

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References 12

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试样编号	竹纤维素质量/g	[AMIM]Ac 质量/g	DMSO 质量/g	直径/ μm	断裂强度/ (cN·dtex^-1)
1^#	5	65	30	102	1.08
2^#	5	55	40	94	1.01
3^#	5	45	50	85	0.93
4^#	5	35	60	93	0.87

试样编号	竹纤维素质量/g	[BMIM]Ac 质量/g	DMSO 质量/g	直径/ μm	断裂强度/ (cN·dtex^-1)
5^#	5	65	30	94	1.01
6^#	5	55	40	93	0.99
7^#	5	45	50	86	0.93
8^#	5	35	60	92	0.79

试样编号	竹纤维素质量/g	[BMIM]Ac 质量/g	DMSO 质量/g	直径/ μm	断裂强度/ (cN·dtex^-1)
7^#	5	45	50	86	0.93
9^#	7	43	50	90	1.12
10^#	9	41	50	96	1.39

试样编号	竹纤维素浆粕质量/g	[BMIM]Ac 质量/g	DMSO 质量/g	结晶度/ %
竹浆纤维原样	5	—	—	78.1
7^#	5	45	50	25.3
9^#	7	43	50	27.8
10^#	9	41	50	29.5

Properties of regenerated fibers from bamboo pulp/ionic liquid combined system

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